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TAXON:Pachypodium Ambongense Poiss. SCORE:0.0 RATING:Low Risk

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TAXON:Pachypodium Ambongense Poiss. SCORE:0.0 RATING:Low Risk TAXON: Pachypodium ambongense SCORE: 0.0 RATING: Low Risk Poiss. Taxon: Pachypodium ambongense Poiss. Family: Apocynaceae Common Name(s): elephant's trunk Synonym(s): Assessor: Chuck Chimera Status: Assessor Approved End Date: 4 Jan 2017 WRA Score: 0.0 Designation: L Rating: Low Risk Keywords: Succulent, Tree, Spiny, Calcareous Soil, Wind-Dispersed Qsn # Question Answer Option Answer 101 Is the species highly domesticated? y=-3, n=0 n 102 Has the species become naturalized where grown? 103 Does the species have weedy races? Species suited to tropical or subtropical climate(s) - If 201 island is primarily wet habitat, then substitute "wet (0-low; 1-intermediate; 2-high) (See Appendix 2) High tropical" for "tropical or subtropical" 202 Quality of climate match data (0-low; 1-intermediate; 2-high) (See Appendix 2) High 203 Broad climate suitability (environmental versatility) y=1, n=0 n Native or naturalized in regions with tropical or 204 y=1, n=0 y subtropical climates Does the species have a history of repeated introductions 205 y=-2, ?=-1, n=0 n outside its natural range? 301 Naturalized beyond native range y = 1*multiplier (see Appendix 2), n= question 205 n 302 Garden/amenity/disturbance weed n=0, y = 1*multiplier (see Appendix 2) n 303 Agricultural/forestry/horticultural weed n=0, y = 2*multiplier (see Appendix 2) n 304 Environmental weed n=0, y = 2*multiplier (see Appendix 2) n 305 Congeneric weed n=0, y = 1*multiplier (see Appendix 2) n 401 Produces spines, thorns or burrs y=1, n=0 y 402 Allelopathic 403 Parasitic y=1, n=0 n 404 Unpalatable to grazing animals 405 Toxic to animals 406 Host for recognized pests and pathogens 407 Causes allergies or is otherwise toxic to humans 408 Creates a fire hazard in natural ecosystems y=1, n=0 n 409 Is a shade tolerant plant at some stage of its life cycle Tolerates a wide range of soil conditions (or limestone 410 y=1, n=0 n conditions if not a volcanic island) Creation Date: 4 Jan 2017 (Pachypodium ambongense Page 1 of 13 Poiss.) TAXON: Pachypodium ambongense SCORE: 0.0 RATING: Low Risk Poiss. Qsn # Question Answer Option Answer 411 Climbing or smothering growth habit y=1, n=0 n 412 Forms dense thickets y=1, n=0 n 501 Aquatic y=5, n=0 n 502 Grass y=1, n=0 n 503 Nitrogen fixing woody plant y=1, n=0 n Geophyte (herbaceous with underground storage organs 504 y=1, n=0 n -- bulbs, corms, or tubers) Evidence of substantial reproductive failure in native 601 y=1, n=0 n habitat 602 Produces viable seed y=1, n=-1 y 603 Hybridizes naturally 604 Self-compatible or apomictic 605 Requires specialist pollinators y=-1, n=0 y 606 Reproduction by vegetative fragmentation y=1, n=-1 n 607 Minimum generative time (years) 1 year = 1, 2 or 3 years = 0, 4+ years = -1 3 Propagules likely to be dispersed unintentionally (plants 701 y=1, n=-1 n growing in heavily trafficked areas) 702 Propagules dispersed intentionally by people y=1, n=-1 y 703 Propagules likely to disperse as a produce contaminant y=1, n=-1 n 704 Propagules adapted to wind dispersal y=1, n=-1 y 705 Propagules water dispersed y=1, n=-1 n 706 Propagules bird dispersed 707 Propagules dispersed by other animals (externally) 708 Propagules survive passage through the gut y=1, n=-1 n 801 Prolific seed production (>1000/m2) Evidence that a persistent propagule bank is formed (>1 802 yr) 803 Well controlled by herbicides 804 Tolerates, or benefits from, mutilation, cultivation, or fire y=1, n=-1 y Effective natural enemies present locally (e.g. introduced 805 biocontrol agents) Creation Date: 4 Jan 2017 (Pachypodium ambongense Page 2 of 13 Poiss.) TAXON: Pachypodium ambongense SCORE: 0.0 RATING: Low Risk Poiss. Supporting Data: Qsn # Question Answer 101 Is the species highly domesticated? n Source(s) Notes Rapanarivo, S.H.J.V. (1999). Pachypodium (Apocynaceae): Taxonomy, Ecology & Cultivation. CRC Press, Boca Raton, "Endemic to Madagascar. Rare." [No evidence of domestication] FL 102 Has the species become naturalized where grown? Source(s) Notes WRA Specialist. 2017. Personal Communication NA 103 Does the species have weedy races? Source(s) Notes WRA Specialist. 2017. Personal Communication NA Species suited to tropical or subtropical climate(s) - If 201 island is primarily wet habitat, then substitute "wet High tropical" for "tropical or subtropical" Source(s) Notes USDA, ARS, Germplasm Resources Information Network. "Native: 2017. National Plant Germplasm System [Online Africa Database]. http://www.ars-grin.gov/npgs/index.html. Western Indian Ocean: Madagascar" [Accessed 4 Jan 2017] 202 Quality of climate match data High Source(s) Notes USDA, ARS, Germplasm Resources Information Network. 2017. National Plant Germplasm System [Online Database]. http://www.ars-grin.gov/npgs/index.html. [Accessed 4 Jan 2017] 203 Broad climate suitability (environmental versatility) n Source(s) Notes Rapanarivo, S.H.J.V. (1999). Pachypodium (Apocynaceae): "DISTRIBUTION. Endemic to Madagascar. Rare. ECOLOGY. LOW open Taxonomy, Ecology & Cultivation. CRC Press, Boca Raton, deciduous western forest on Mesozoic calcareous rocks. Alt. less FL than 100 m." "Hardiness: It is sensitive to cold and should be kept totally dry in LLIFLE - Encyclopedia of living forms. 2017. Pachypodium winter at or around 10°C, but it demonstrates some cold resilience if ambongense. http://www.llifle.com/. [Accessed 4 Jan dormant and the soil is bone dry in winter. Protect from frost. It 2017] tends to lose its leave and go dormant in winter (USDA Hardiness zones: 10 ʹϭϭͿ͘Η Creation Date: 4 Jan 2017 (Pachypodium ambongense Page 3 of 13 Poiss.) TAXON: Pachypodium ambongense SCORE: 0.0 RATING: Low Risk Poiss. Qsn # Question Answer Native or naturalized in regions with tropical or 204 y subtropical climates Source(s) Notes Rapanarivo, S.H.J.V. (1999). Pachypodium (Apocynaceae): "DISTRIBUTION. Endemic to Madagascar. Rare. ECOLOGY. LOW open Taxonomy, Ecology & Cultivation. CRC Press, Boca Raton, deciduous western forest on Mesozoic calcareous rocks. Alt. less FL than 100 m." Does the species have a history of repeated 205 n introductions outside its natural range? Source(s) Notes "P. ambongense (very rare, early growth seedlings growing outdoors Rau, E. 2016. President, Sustainable Bioresources, LLC. in containers with artificial soil. Needs calcareous soils, ready for Personal Communication. 29 December sale)" Eggli, U. 2002. Illustrated handbook of succulent plants: Dicotyledons. Springer-Verlag, Berlin - Heidelberg - New "The last species to be introduced to cultivation." York 301 Naturalized beyond native range n Source(s) Notes Randall, R.P. 2012. A Global Compendium of Weeds. 2nd Edition. Department of Agriculture and Food, Western No evidence Australia Wagner, W.L., Herbst, D.R.& Lorence, D.H. 2017. Flora of the Hawaiian Islands. Smithsonian Institution, No evidence to date Washington, D.C. http://botany.si.edu/. [Accessed 4 Jan 2017] 302 Garden/amenity/disturbance weed n Source(s) Notes Randall, R.P. 2012. A Global Compendium of Weeds. 2nd Edition. Department of Agriculture and Food, Western No evidence Australia 303 Agricultural/forestry/horticultural weed n Source(s) Notes Randall, R.P. 2012. A Global Compendium of Weeds. 2nd Edition. Department of Agriculture and Food, Western No evidence Australia Creation Date: 4 Jan 2017 (Pachypodium ambongense Page 4 of 13 Poiss.) TAXON: Pachypodium ambongense SCORE: 0.0 RATING: Low Risk Poiss. Qsn # Question Answer 304 Environmental weed n Source(s) Notes Randall, R.P. 2012. A Global Compendium of Weeds. 2nd Edition. Department of Agriculture and Food, Western No evidence Australia 305 Congeneric weed n Source(s) Notes Randall, R.P. 2012. A Global Compendium of Weeds. 2nd No species listed as weed. One species, P. saundersii, with an Edition. Department of Agriculture and Food, Western unconfirmed report of naturalization Australia 401 Produces spines, thorns or burrs y Source(s) Notes "Shrub 1-2 m high, trunk subglobose, laterally compressed, 10-40 cm in diameter; bark grey-green, smooth or with leaf scars; branched Rapanarivo, S.H.J.V. (1999). Pachypodium (Apocynaceae): from just below each terminal inflorescence. Branches short, 7-18 Taxonomy, Ecology & Cultivation. CRC Press, Boca Raton, cm in diameter; branchlets 18-40 x 5-6 mm, covered with paired FL straight spines, 2-10 mm long, 0.5-2 mm wide at the base, sparsely pubescent when young." 402 Allelopathic Source(s) Notes [Unknown. Grows with other vegetation] "Accompanied by Rapanarivo, S.H.J.V. (1999). Pachypodium (Apocynaceae): Pachypodium rutenbergianum, Euphorbia viguieri, Uncarina Taxonomy, Ecology & Cultivation. CRC Press, Boca Raton, sakalava, U. perrieri, Lomatophyllum sp., Commiphora sp., and FL Cyphostemma sp." 403 Parasitic n Source(s) Notes Rapanarivo, S.H.J.V. (1999). Pachypodium (Apocynaceae): "Shrub 1-2 m high, trunk subglobose, laterally compressed, 10-40 cm Taxonomy, Ecology & Cultivation. CRC Press, Boca Raton, in diameter" [Apocynaceae. No evidence] FL 404 Unpalatable to grazing animals Source(s) Notes WRA Specialist. 2017. Personal Communication Unknown, but spines would likely deter browsing 405 Toxic to animals Source(s) Notes Creation Date: 4 Jan 2017 (Pachypodium ambongense Page 5 of 13 Poiss.) TAXON: Pachypodium ambongense SCORE: 0.0 RATING: Low Risk Poiss. Qsn # Question Answer [Unknown. Possibly Yes] "Pachypodium falls in a group of the Apocynaceae notorious for poisonous properties and for yielding Bester, S. P. 2007. Pachypodium Lindl. PlantZAfrica. SANBI. potent poisons that have been used most effectively in arrow poison https://www.plantzafrica.com/plantnop/pachypodium.ht since ancient times. The active principles in these poisons are usually m. [Accessed 4 Jan 2017] glucosides with a digitalis-like action that stimulates the heart, and their effect is well known to hunters who often control and administer them with great skill." 406 Host for recognized pests and pathogens Source(s) Notes WRA Specialist.
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